MAX20411

RECOMMENDED FOR NEW DESIGNS

Automotive High-Efficiency Single 16A/22A/ 30A/40A Step-Down Converter Family

Industry-Leading, High-Efficiency, ASIL-D-Compliant Synchronous Step-Down Converter Capable of Up to 40A Output Current

Data Sheet (Rev. 14) Product Selection Table
Part Models
26
1ku List Price
Starting From $3.34
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Part Details

  • High-Efficiency DC-DC Converter
  • Up to 40A Peak Output Current
    • MAX20411A: 16A
    • MAX20411B: 22A
    • MAX20411C: 30A
    • MAX20411D: 40A
  • Differential Remote Voltage Sensing
  • 3.0V to 5.5V Operating Supply Voltage
  • I2C Controlled Output Voltage
    • 0.5V to 1.275V in 6.25mV Steps
  • Excellent Load-Transient Performance
  • Advanced Programmable Compensation
    • MAXQ™ Power Architecture
    • Hybrid Load Line and Integrator Options
  • 2.1MHz or 1.05MHz Operation
  • As Low as ±0.75% Output Voltage Accuracy
  • RESET Output
  • Current Mode, Forced PWM Operation
  • ASIL D Compliant
    • Redundant Reference
    • BIST Diagnostics
    • PEC on I2C
    • Programmable OV/UV with ±1% Accuracy
  • Overtemperature and Short-Circuit Protection
  • 3.5mm × 5mm 21-Pin Side-Wettable FCQFN
  • AEC-Q100 Qualified
  • −40°C to +125°C Grade 1 Automotive Temperature Range
MAX20411
Automotive High-Efficiency Single 16A/22A/ 30A/40A Step-Down Converter Family
MAX20411 Simplified Block Diagram
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Documentation

Data Sheet 1

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Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).

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Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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IBIS Model 1

Evaluation Kits

MAX20411EVKIT

Evaluation Kit for the MAX20411

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Features and Benefits

  • Optimized Board Layout with 40A Load Capability
  • Input Voltage Range from 3V to 5.5V
  • User Programmable Settings through I2C
  • 2.1MHz Fixed-Frequency Switching with Spread-Spectrum Option
  • Status Monitoring through Active-Low RESET and I2C Status Registers
  • Programmable OV/UV/OC, Soft-Start, and DVS Slew Rates
  • Fully Assembled and Tested
  • Proven PCB Layout with Automotive Grade Components

Product Details

The MAX20411 evaluation kit (EV kit) is a fully assembled and tested application circuit for the MAX20411 family of step-down converters. The MAX20411 EV kit is preinstalled with MAX20411C 30A version and is also compatible with MAX20411A (16A), MAX20411B (22A), and MAX20411D (40A). The MAX20411 can accept a power supply between 3V and 5.5V and provide output voltages of 0.5V to 1.275V with controlled DVS and startup slew rates. I2C communication must be used to configure the MAX20411 and monitor errors. A PC to I2C interface such as the MINIQUSB or MAX32625PICO and software for reading and writing to I2C registers such as Simple I2C simplifies testing.

Applications

  • Automotive ADAS Systems
  • SoC Core Power
MAX20411EVKIT
Evaluation Kit for the MAX20411

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